air bubbles

SeabeeDan
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30 Nov 2013 14:04 #614482 by SeabeeDan

air bubbles was created by SeabeeDan

I have an 81 kz305. there's a clear fuel line with a fuel filter coming directly from the tank, if I move the line I can see air bubbles coming into the fuel tank from the carb. is this normal, doesn't seem like it should be happening. first thing to check?

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sbc1320
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30 Nov 2013 15:40 #614488 by sbc1320

Replied by sbc1320 on topic air bubbles

Doesn't hurt anything, sometimes they burp out of there or even work there way up the line. I just put new clear yellow fuel line on mine and mine does it. No lean issues at all on mine.

1980 KZ1000 LTD-B4(MK II engine) - Progressive suspension, MTC pistons, Dynojet Stage III, all wear items replaced, WFO paint scheme(1978), etc..

Past bikes- 2 1976 Kz900's, 5 1975-76 Honda CB750's, Honda 500 -4, Honda 250, Honda 125, Honda 100, Suzuki RM 250, Honda XL350, Kawasaki KLR 650, etc..

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Cynjut
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02 Dec 2013 11:54 #614630 by Cynjut

Replied by Cynjut on topic air bubbles

There should be vents into the bowls on your carbs to help prevent this. It shouldn't hurt anything, especially if you are using an in-line filter.

1977 KZ-1000 A1
1982 KZ-1000 M2 Frankenbike

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SeabeeDan
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03 Dec 2013 15:46 #614713 by SeabeeDan

Replied by SeabeeDan on topic air bubbles

Cool, thanks guys. I'm just learning about carbs and air in the fuel line just didn't look right to me

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JR
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03 Dec 2013 19:34 #614728 by JR

Replied by JR on topic air bubbles

Bubbles used to bother me until I got black opaque fuel line :whistle:

1980 kz750E1, Delkevic exhaust

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